$ mount -t none -o ro,bind /mnt/koji/packages/ /var/lib/mock/dist-an8-build-18274-8223/root/mnt/koji/packages/
$ mount -t none -o rw,bind /mnt/koji/output/anolis-8-20210508.4 /var/lib/mock/dist-an8-build-18274-8223/root/mnt/koji/output/anolis-8-20210508.4